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Ph. Eur. 2.8.13 Pesticide & PGR Action-Limit Checker.

Convert laboratory LC-MS/MS or GC-MS/MS residue readings between ppm (mg/kg) and ppb (ug/kg), check compliance against European Pharmacopoeia (Ph. Eur. 2.8.13) action limits, and evaluate thermal pyrolysis hazards.

INSTRUMENT 09 // PH. EUR. 2.8.13 & KCANG PAR. 18 TOXICOLOGY GATE

Ph. Eur. 2.8.13 Multi-Residue Pesticide, Myclobutanil & PGR Action-Limit Checker

Convert laboratory LC-MS/MS or GC-MS/MS readings between ppm (mg/kg) and ppb (ug/kg), verify compliance against European Pharmacopoeia (Ph. Eur. 2.8.13) action limits, and inspect thermal pyrolysis hazards.

Toxicology & Pyrolysis Diagnosis: IMMEDIATE BATCH QUARANTINE (24.0x Exceedance): Myclobutanil (Eagle 20 Fungicide) measured at 0.480 mg/kg vs statutory limit <= 0.02 mg/kg. CRITICAL PYROLYSIS HAZARD: Decomposes above 205C into toxic Hydrogen Cyanide (HCN) gas when smoked or vaporized.
Normalized Residue Concentration
0.480 mg/kg (480 ppb)
1.000 mg/kg = 1.000 ppm = 1,000 ppb
Ph. Eur. 2.8.13 Action Limit
<= 0.02 mg/kg (24.0x of limit)
Triple-Quadrupole LC-MS/MS & GC-MS/MS LOQ 0.005 ppm
Batch Release Disposition
FAIL // QUARANTINE BATCH (24.0x OVER PH. EUR. 2.8.13 LIMIT)
Verified under Panel CA-LAB-04 (EUR 139) & CA-LAB-05
60 PESTICIDES + PGRS + 4 HEAVY METALS // CA-LAB-04 (EUR 139) Order 60-Pesticide & PGR LC-MS/MS Screen →

Ph. Eur. 2.8.13 & Stoichiometric Reference Table

Starting Flower Weight Raw THCA % Total Raw THCA (mg) Max Theoretical THC (0.877x) Controlled PID + MCT Oil (~83% Net) Open Kitchen Oven + Butter (~59% Net) Per Serving (24 Portions)
3.5 g (Eighth) 18% THCA 630 mg 552.5 mg 457.5 mg THC 328.2 mg THC 19.1 mg (PID) vs 13.7 mg (Oven)
3.5 g (Eighth) 24% THCA 840 mg 736.7 mg 610.0 mg THC 437.6 mg THC 25.4 mg (PID) vs 18.2 mg (Oven)
7.0 g (Quarter) 20% THCA 1,400 mg 1,227.8 mg 1,016.6 mg THC 729.3 mg THC 42.4 mg (PID) vs 30.4 mg (Oven)
7.0 g (Quarter) 22% THCA 1,540 mg 1,350.6 mg 1,118.3 mg THC 802.2 mg THC 46.6 mg (PID) vs 33.4 mg (Oven)
14.0 g (Half Ounce) 22% THCA 3,080 mg 2,701.2 mg 2,236.6 mg THC 1,604.5 mg THC 93.2 mg (PID) vs 66.9 mg (Oven)
28.0 g (One Ounce) 25% THCA 7,000 mg 6,139.0 mg 5,083.1 mg THC 3,646.6 mg THC 211.8 mg (PID) vs 151.9 mg (Oven)

Frequently Asked Engineering Questions

Why is Myclobutanil (Eagle 20) strictly regulated at 0.02 mg/kg (20 ppb) in smoked or vaporized cannabis?

While Myclobutanil is used on certain food crops that are ingested raw or cooked below 100C, heating Myclobutanil above 205C in a cannabis joint or vaporizer thermally decomposes its triazole-nitrile ring into toxic Hydrogen Cyanide (HCN) gas, which is inhaled directly into the alveoli.

How do I convert a laboratory pesticide reading from parts per billion (ppb / ug/kg) to parts per million (ppm / mg/kg)?

Divide the reading in ppb (micrograms per kilogram, ug/kg) by 1,000 to obtain ppm (milligrams per kilogram, mg/kg). For example, 480 ppb of Myclobutanil equals 0.480 mg/kg (ppm), which is 24 times higher than the 0.02 mg/kg European Pharmacopoeia action limit.

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